gh0strat | 8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782

General

Target

8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782.exe
Size

3.3MB
MD5

362ec84574911fe966284447ec55fbcb
SHA1

349aad35c623353256b3027cfe927d95b2f6f9d2
SHA256

8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782
SHA512

8fc30a5174110f053b1cacb9b41f2c0ad192a2043ced1fe08da0e8fb6406ad359d2a84e0e5aba94dcd50029d954d6946b26e0f65b38b7131b001ae61cc440fd4
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNDI:QHPkVOBTKk

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1940-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-19-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/1940-0-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2824-19-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	sainbox.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	sainbox.exe

Deletes itself 1 IoCs

pid	Process
2788	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1436	sainbox.exe
2824	sainbox.exe

Loads dropped DLL 1 IoCs

pid	Process
1436	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2788	cmd.exe
2624	PING.EXE

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	sainbox.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	sainbox.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	sainbox.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	sainbox.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2624	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2824	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1940	8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782.exe
Token: SeLoadDriverPrivilege	2824	sainbox.exe
Token: 33	2824	sainbox.exe
Token: SeIncBasePriorityPrivilege	2824	sainbox.exe
Token: 33	2824	sainbox.exe
Token: SeIncBasePriorityPrivilege	2824	sainbox.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2788	1940	8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782.exe	31
PID 1940 wrote to memory of 2788	1940	8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782.exe	31
PID 1940 wrote to memory of 2788	1940	8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782.exe	31
PID 1940 wrote to memory of 2788	1940	8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782.exe	31
PID 1436 wrote to memory of 2824	1436	sainbox.exe	33
PID 1436 wrote to memory of 2824	1436	sainbox.exe	33
PID 1436 wrote to memory of 2824	1436	sainbox.exe	33
PID 1436 wrote to memory of 2824	1436	sainbox.exe	33
PID 2788 wrote to memory of 2624	2788	cmd.exe	34
PID 2788 wrote to memory of 2624	2788	cmd.exe	34
PID 2788 wrote to memory of 2624	2788	cmd.exe	34
PID 2788 wrote to memory of 2624	2788	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782.exe
"C:\Users\Admin\AppData\Local\Temp\8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\8D30E0~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2788
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2624

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1436
- C:\Windows\SysWOW64\sainbox.exe
  C:\Windows\SysWOW64\sainbox.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\sainbox.exe

Filesize
3.3MB

MD5
362ec84574911fe966284447ec55fbcb

SHA1
349aad35c623353256b3027cfe927d95b2f6f9d2

SHA256
8d30e0e322e8b7b857ccfd7f64b5e7491b9ea99df36c88e324ff5fb5b574f782

SHA512
8fc30a5174110f053b1cacb9b41f2c0ad192a2043ced1fe08da0e8fb6406ad359d2a84e0e5aba94dcd50029d954d6946b26e0f65b38b7131b001ae61cc440fd4

Download Submit
memory/1940-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2824-19-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads